<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="发送者id" prop="senderId">
        <el-input
          v-model="queryParams.senderId"
          placeholder="请输入发送者id"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="群id
" prop="groupId">
        <el-input
          v-model="queryParams.groupId"
          placeholder="请输入群id
"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['message:groupMessage:add']"
        >新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['message:groupMessage:edit']"
        >修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['message:groupMessage:remove']"
        >删除
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['message:groupMessage:export']"
        >导出
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="groupMessageList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="群名称" align="center" prop="groupName"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="drawer = true;getGroupMessage(scope.row.groupId)"
          >详情
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />


    <!-- 添加或修改群消息记录对话框 -->
    <el-drawer
      title="聊天记录"
      :visible.sync="drawer"
      :direction="direction"
    >
      <div>
        <el-container>
          <el-main>
            <div v-for="message in groupMessageLists" :key="message.id" class="chat-message" id="chatHistory">
              <!-- 聊天记录内容 -->
              <el-row>
                <img :src="message.senderAvatar" class="avatar">
                <div style="margin-left: 20px;">
                  <div class="sender">{{ message.senderName }}</div>
                  <div v-if="message.messageTextType === 'IMAGE'">
                    <img :src="message.text" class="content-image">
                  </div>
                  <div v-if="message.messageTextType === 'TEXT'" class="content">
                    {{ message.text }}
                  </div>
                </div>
                <div class="time">{{ message.createTime }}</div>
              </el-row>
            </div>
          </el-main>
        </el-container>
      </div>
    </el-drawer>
  </div>
</template>

<script>
import {
  listGroupMessage,
  getGroupMessage,
  delGroupMessage,
  addGroupMessage,
  updateGroupMessage
} from "@/api/message/groupMessage";

export default {
  name: "GroupMessage",
  dicts: ['message_text_type'],
  data() {
    return {
      drawer: false,
      direction: 'rtl',
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 群消息记录表格数据
      groupMessageList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        senderId: null,
        messageType: null,
        groupId: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        senderId: [
          {required: true, message: "发送者id不能为空", trigger: "blur"}
        ],
      },
      groupMessageLists: [],
      // 图片预览弹出框
      imagePreview: {
        visible: false,
        url: ''
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    hideImagePreviewPopup() {
      this.imagePreview.visible = false;
    },
    showImagePreviewPopup(url) {
      this.imagePreview.visible = true;
      this.imagePreview.url = url;
    },
    /** 查询群消息记录列表 */
    getList() {
      this.loading = true;
      listGroupMessage(this.queryParams).then(response => {
        this.groupMessageList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    getGroupMessage(id) {
      getGroupMessage(id).then(response => {
        this.groupMessageLists = response.rows;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        senderId: null,
        text: null,
        createTime: null,
        messageType: null,
        unread: null,
        groupId: null,
        messageTextType: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加群消息记录";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getGroupMessage(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改群消息记录";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateGroupMessage(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addGroupMessage(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除群消息记录编号为"' + ids + '"的数据项？').then(function () {
        return delGroupMessage(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('message/groupMessage/export', {
        ...this.queryParams
      }, `groupMessage_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
<style>
.chat-message {
  margin-bottom: 20px;
}

.chat-message .sender {
  font-weight: bold;
  line-height: 30px;
  margin-left: 20px;
}

.chat-message .time {
  color: #999;
  font-size: 12px;
  float: right;
}

 .content {
  margin-top: 10px;
  margin-left: 20px;
}

.chat-message .avatar {
  height: 30px;
  float: left;
}
.content-image {
  display: block;
  cursor: pointer;
  height: 80px;
  width: 80px;
}
</style>
